It most likely won't kill anyone who currently exists, which are the only people you're claiming have rights. My point is that once you start considering the c

It most likely won't kill anyone who currently exists, which are the only people you're claiming have rights. My point is that once you start considering the counterfactual world of 150 years from now in terms of, "What harm will it do to the people alive then," there's very little daylight between your views and Cowen's. I don't think that Cowen believes that there's an absolute moral importance to have children, for example.